#include <iostream>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>

using namespace cv;
using namespace std;

int main()
{
    Mat src = imread("../../resource/image/lenna-head.jpg");
    Mat dst;
    blur(src, dst, Size(3,3));

    namedWindow("before");
    namedWindow("after");
    imshow("before", src);
    imshow("after", dst);
    waitKey(0);

    destroyAllWindows();
}
